page 1 of 7
CRYSTAL SPECIFICATION
华强聚丰
Customer
:
Customer P/N
:
TKD P/N
:
CD05M025000RD1
Product Description
:
49S-25-20-20
Issue Date
:
2018.12.28
CUSTOMER’S APPROVAL
APPROVAL
(PLEASE
CHECKED
CONFORM
RETURN A COPY WITH APPOVAL
Hubei TKD Electronic Technology Co.,LTD
湖北泰晶电子科技股份有限公司
APPROVED
苏婷婷
代 伟
SALE:TEL :0722-3309660
DESIGNER
FAX :0722-3309768
QCD:TEL :0722-3308231
FAX :0722-3309768
FAE:TEL :0755-27328651
FAX :0755-27328001
page 2 of 7
REV.
Description of Revision History
Date
Designer
Checked By
A
New revision
2018-12-28
Sutingting
DaiWei
page 3 of 7
CRYSTAL SPECIFICATION
1.
2.
3.
4.
5.
6.
Description:
Quartz Crystal
Nominal Frequency:
25.000000MHz
Oscillation Mode:
Fundamental
Cutting Mode:
AT cut
Measurement Instrument: S&A 250B(Measured FL)
Electrical Characteristics:
[1]Operation Conditions:
Item
Symbol
MIN.
Operating Temperature Range
Topt
Storage Temperature Range
Tstg
MAX.
Unit
-40
85
℃
-55
105
℃
Load Capacitance
CL
Drive Level
DL
0.1
Symbol
MIN.
Tolerance
dF/Fo
Stability Over Temperature
Aging
TYP.
20
Condition
pF
100
uW
MAX.
Unit
Condition
-20
20
ppm
Refer to Center Frequency@25±3℃
dF/F25
-30
30
ppm
Refer to Operating Temperature
@-40~+85℃
dF/F25
-3
3
ppm
Per Year
MAX.
Unit
ESR
30
Ω
Shunt Capacitance
C0
7
pF
Insulation Resistance
IR
[2]Frequency Stability:
Item
TYP.
dF/Fo:Frequency Deviation Refer to Center Frequency
dF/F25:Frequency Deviation Refer to 25℃ Frequency
[3]Electrical Performance:
Item
Equivalent Series Resistance
Symbol
MIN.
500
TYP.
MΩ
Condition
@Series
@DC 100 Volt
7.
Marking:Laser
TKD :Company Logo
25.000:Nominal Frequency
TKD25.000
page 4 of 7
8.
Outline drawing (unit:mm)
page 5 of 7
9.
Reliability Specification
Test Item
Condition of test
Performance
Requirements
Tensile Strength
Termination
The unit’s lead wire should withstand a tensile force applied to the There should be no
termination in the direction of its draw-out axis of up to 1000g abnormalities detected on
maintained as is for 10±2s
the unit
Solder ability
The lead is immersed in a 235±5℃ solder bath within 2±0.5 A new uniform coating of
seconds.
solder shall cover min
mun 95% of the surface
being immersed.
Vibration
Drop
Endurance condition by a frequency sweep shall be made. The
entire frequency range from 10HZ to 50HZ and return to
10HZ,shall be transverseb in 1min. Amplitude(total
excursion):1.5mm this motion shall be applied for a period of 2h
each of 3 mutually perpendicular axes(a total of 6h)
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
Form 70cm height 3 times on 3cm hard wooden floor
(1).Frequency
Change:±5ppm
(2).Resistance:±15%
Shock
Peak acceleration:981m/s2
duration of the pulse :6ms three (1).Frequency
successive shocks shall be applied in both direction of 3 mutually Change:±5ppm
perpendicular axes(a total of 18 shocks)
(2).Resistance:±15%
Damp heat
The unit shall be stored at a temperature of 40±2℃with relative (1).Frequency
humidity of 90%to95% for 48h, then it shall be subjected to Change:±5ppm
standard atmospheric conditions for 1 ~ 2h after which (2).Resistance:±15%
measurement shall be made.
Dry heat
The unit shall be stored at a temperature of 100℃±5℃ for 24h, (1).Frequency
then it shall be subjected to standard atmospheric conditions for Change:±5ppm
1~2h after which measurement shall be made.
(2).Resistance:±15%
Cold
The unit shall be stored at a temperature of-40℃±5℃ for 48h, then (1).Frequency
it shall be subjected to standard atmospheric conditions for 1~2h Change:±5ppm
after which measurement shall be made.
(2).Resistance:±15%
Aging
The unit shall be stored at a temperature of 85℃±5℃ for 7d then it
shall be subjected to standard atmospheric conditions for 1~2h
after which measurement shall be made.
Temperature
cycling
Refer
to
specification
verdict
The unit shall be subjected to 5 successive change of temperature Refer
to
cycles, each as show in table below,then it shall be subjected to specification
standard atmospheric conditions for 1 ~ 2h after which
measurement shall be made
verdict
Temperature
Duration
1
-40℃±3℃
2
Standard atmospheric Within 30s
conditions
3
100℃±3℃
4
Standard atmospheric Within 30s
conditions
30min
30min
page 6 of 7
Test Item
Sealing
Condition of test
The crystal filter unit shall be immersed in a industry alcohol for
5±0.5 minutes then 25±3℃ 1~2 Hr before testing
Resistance to
soldering heat
Performance
Requirements
Insulation
Resistance>500MΩ
Refer
to
specification
Reflow soldering cure see the chart.
Soldering iron method:
Bit temperature: 350℃±10℃
Application time of soldering iron:5s Max
verdict
page 7 of 7
很抱歉,暂时无法提供与“49S-25-20-20”相匹配的价格&库存,您可以联系我们找货
免费人工找货- 国内价格
- 1+0.32490
- 100+0.30324
- 300+0.28158
- 500+0.25992
- 2000+0.24909
- 5000+0.24259